DTC 52-08: Torque Sensor Power Supply
NOTE: Before you troubleshoot, review the general troubleshooting information .
| DTC Description | DTC | Freeze Frame |
|---|---|---|
| 52-08 Torque Sensor Power Supply |
- 1. Problem verification:
1. Turn the vehicle to the ON mode.
2. Clear the DTC with the HDS.
3. Turn the vehicle to the OFF (LOCK) mode, then start the engine.
4. Check for DTCs with the HDS.
DTC Description DTC Freeze Frame 52-08 Torque Sensor Power Supply Is DTC 52-08 indicated?
YES
The failure is duplicated. Go to step 2.
NO
Intermittent failure, the system is OK at this time. If the freeze data/on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the Freeze data/on-board snapshot.
- 2. Shorted wire check (PVF line to power) 1:
1. Turn the vehicle to the OFF (LOCK) mode.
2. Disconnect the following connector.
EPS control unit connector B (16P) 3. Turn the vehicle to the ON mode.
4. Measure the voltage between test points 1 and 2.
Test condition Vehicle ON mode EPS control unit connector B (16P): disconnected Test point 1 EPS control unit connector B (16P) No. 16 Test point 2 Body ground Is there battery voltage?
YES
Repair a short to power in the wire between the EPS control unit and the torque sensor.
NO
The PVF wire is not shorted to power. Go to step 3.
- 3. Shorted wire check (PVF line) 2:
1. Turn the vehicle to the OFF (LOCK) mode.
2. Check for continuity between these test point and body ground.
Test condition Vehicle OFF (LOCK) mode EPS control unit connector B (16P): disconnected Test point 1 EPS control unit connector B (16P) No. 16 Test point 2 Body ground Is there continuity?
YES
Go to step 4.
NO
The PVF wire is not shorted. Go to step 5.
- 4. Shorted wire check (PVF line) 3:
1. Disconnect the following connector.
Torque sensor 6P connector 2. Check for continuity between these test point and body ground.
Test condition Vehicle OFF (LOCK) mode EPS control unit connector B (16P): disconnected Torque sensor 6P connector: disconnected Test point 1 EPS control unit connector B (16P) No. 16 Test point 2 Body ground Is there continuity?
YES
Repair a short to body ground in the wire between the EPS control unit and the torque sensor.
NO
- 5. EPS control unit check (update):
1. Reconnect the following connector.
EPS control unit connector B (16P) 2. Update the EPS control unit if it does not have the latest software.
3. Clear the DTC with the HDS.
4. Turn the vehicle to the OFF (LOCK) mode, then start the engine.
5. Check for DTCs with the HDS.
DTC Description DTC Freeze Frame 52-08 Torque Sensor Power Supply Is DTC 52-08 indicated?
YES
Go to step 6.
NO
Troubleshooting is complete.
- 6. EPS control unit check (substitution):
1. Substitute a known-good EPS control unit .
2. Clear the DTC with the HDS.
3. Turn the vehicle to the OFF (LOCK) mode, then start the engine.
4. Check for DTCs with the HDS.
DTC Description DTC Freeze Frame 52-08 Torque Sensor Power Supply Is DTC 52-08 indicated?
YES
Replace the steering gearbox .
NO